Being depreciated see Redux. It is the playgraound for the next radiamentary.
Unity/Gtk3.0/Gtk2.0 Theme for Oneiric based on Radiance and Elementary.
-more usable scrollbars in Gtk2.0 apps
-Gtk2.0 more closely resembles Gtk3.0
-Fixed Chrome(ium) gradient.
Known Gtk2.0 issues:
-overlay scrollbar indicator grey
Some gtk2.0 apps (banshee, transmission) no longer have annoying line under the title bar and gtk2.0 toolbars now have consistent gradient.
-Slightly darker shade (easier on the eyes).
-Panel now follows maximized window gradient instead of reversing it.
edges, buttons, toolbars and nautilus sidepane
-Panel better integrated into maximized windows.
Panel and panel buttons properly themed.
Extract .zip then extract .tar.gz and place the folder Radianceblue in your .themes folder.
Install gnome-tweak-tool using ubuntu software center to change themes.
gnome-tweak-tool does not always appear in dash so Alt+F2 and type gnome-tweak-tool to start it.